Farnsworth House - Gettysburg, PA

This Bed & Breakfast claims several active ghosts, including a Confederate soldire in the attic. Farnsworth house legend claims that he was the one who fired the bullet that killed Jennie Wade. The sounds of a tune being played on a flute or similar instrument have been heard in the attic as well.
The upstairs (second floor) has a female ghost called Mary. Guest have reported feeling a pressure on their bed, as if someone has sat down on it.